1/* Definitions for describing one tree-ssa optimization pass. 2 Copyright (C) 2004-2015 Free Software Foundation, Inc. 3 Contributed by Richard Henderson <rth@redhat.com> 4 5This file is part of GCC. 6 7GCC is free software; you can redistribute it and/or modify 8it under the terms of the GNU General Public License as published by 9the Free Software Foundation; either version 3, or (at your option) 10any later version. 11 12GCC is distributed in the hope that it will be useful, 13but WITHOUT ANY WARRANTY; without even the implied warranty of 14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15GNU General Public License for more details. 16 17You should have received a copy of the GNU General Public License 18along with GCC; see the file COPYING3. If not see 19<http://www.gnu.org/licenses/>. */ 20 21 22#ifndef GCC_TREE_PASS_H 23#define GCC_TREE_PASS_H 1 24 25#include "timevar.h" 26#include "dumpfile.h" 27 28struct function; 29 30/* Optimization pass type. */ 31enum opt_pass_type 32{ 33 GIMPLE_PASS, 34 RTL_PASS, 35 SIMPLE_IPA_PASS, 36 IPA_PASS 37}; 38 39/* Metadata for a pass, non-varying across all instances of a pass. */ 40struct pass_data 41{ 42 /* Optimization pass type. */ 43 enum opt_pass_type type; 44 45 /* Terse name of the pass used as a fragment of the dump file 46 name. If the name starts with a star, no dump happens. */ 47 const char *name; 48 49 /* The -fopt-info optimization group flags as defined in dumpfile.h. */ 50 unsigned int optinfo_flags; 51 52 /* The timevar id associated with this pass. */ 53 /* ??? Ideally would be dynamically assigned. */ 54 timevar_id_t tv_id; 55 56 /* Sets of properties input and output from this pass. */ 57 unsigned int properties_required; 58 unsigned int properties_provided; 59 unsigned int properties_destroyed; 60 61 /* Flags indicating common sets things to do before and after. */ 62 unsigned int todo_flags_start; 63 unsigned int todo_flags_finish; 64}; 65 66namespace gcc 67{ 68 class context; 69} // namespace gcc 70 71/* An instance of a pass. This is also "pass_data" to minimize the 72 changes in existing code. */ 73class opt_pass : public pass_data 74{ 75public: 76 virtual ~opt_pass () { } 77 78 /* Create a copy of this pass. 79 80 Passes that can have multiple instances must provide their own 81 implementation of this, to ensure that any sharing of state between 82 this instance and the copy is "wired up" correctly. 83 84 The default implementation prints an error message and aborts. */ 85 virtual opt_pass *clone (); 86 87 /* This pass and all sub-passes are executed only if the function returns 88 true. The default implementation returns true. */ 89 virtual bool gate (function *fun); 90 91 /* This is the code to run. If this is not overridden, then there should 92 be sub-passes otherwise this pass does nothing. 93 The return value contains TODOs to execute in addition to those in 94 TODO_flags_finish. */ 95 virtual unsigned int execute (function *fun); 96 97protected: 98 opt_pass (const pass_data&, gcc::context *); 99 100public: 101 /* A list of sub-passes to run, dependent on gate predicate. */ 102 opt_pass *sub; 103 104 /* Next in the list of passes to run, independent of gate predicate. */ 105 opt_pass *next; 106 107 /* Static pass number, used as a fragment of the dump file name. */ 108 int static_pass_number; 109 110 /* When a given dump file is being initialized, this flag is set to 111 true if the corresponding TDF_graph dump file has also been 112 initialized. */ 113 bool graph_dump_initialized; 114 115protected: 116 gcc::context *m_ctxt; 117}; 118 119/* Description of GIMPLE pass. */ 120class gimple_opt_pass : public opt_pass 121{ 122protected: 123 gimple_opt_pass (const pass_data& data, gcc::context *ctxt) 124 : opt_pass (data, ctxt) 125 { 126 } 127}; 128 129/* Description of RTL pass. */ 130class rtl_opt_pass : public opt_pass 131{ 132protected: 133 rtl_opt_pass (const pass_data& data, gcc::context *ctxt) 134 : opt_pass (data, ctxt) 135 { 136 } 137}; 138 139class varpool_node; 140struct cgraph_node; 141struct lto_symtab_encoder_d; 142 143/* Description of IPA pass with generate summary, write, execute, read and 144 transform stages. */ 145class ipa_opt_pass_d : public opt_pass 146{ 147public: 148 /* IPA passes can analyze function body and variable initializers 149 using this hook and produce summary. */ 150 void (*generate_summary) (void); 151 152 /* This hook is used to serialize IPA summaries on disk. */ 153 void (*write_summary) (void); 154 155 /* This hook is used to deserialize IPA summaries from disk. */ 156 void (*read_summary) (void); 157 158 /* This hook is used to serialize IPA optimization summaries on disk. */ 159 void (*write_optimization_summary) (void); 160 161 /* This hook is used to deserialize IPA summaries from disk. */ 162 void (*read_optimization_summary) (void); 163 164 /* Hook to convert gimple stmt uids into true gimple statements. The second 165 parameter is an array of statements indexed by their uid. */ 166 void (*stmt_fixup) (struct cgraph_node *, gimple *); 167 168 /* Results of interprocedural propagation of an IPA pass is applied to 169 function body via this hook. */ 170 unsigned int function_transform_todo_flags_start; 171 unsigned int (*function_transform) (struct cgraph_node *); 172 void (*variable_transform) (varpool_node *); 173 174protected: 175 ipa_opt_pass_d (const pass_data& data, gcc::context *ctxt, 176 void (*generate_summary) (void), 177 void (*write_summary) (void), 178 void (*read_summary) (void), 179 void (*write_optimization_summary) (void), 180 void (*read_optimization_summary) (void), 181 void (*stmt_fixup) (struct cgraph_node *, gimple *), 182 unsigned int function_transform_todo_flags_start, 183 unsigned int (*function_transform) (struct cgraph_node *), 184 void (*variable_transform) (varpool_node *)) 185 : opt_pass (data, ctxt), 186 generate_summary (generate_summary), 187 write_summary (write_summary), 188 read_summary (read_summary), 189 write_optimization_summary (write_optimization_summary), 190 read_optimization_summary (read_optimization_summary), 191 stmt_fixup (stmt_fixup), 192 function_transform_todo_flags_start (function_transform_todo_flags_start), 193 function_transform (function_transform), 194 variable_transform (variable_transform) 195 { 196 } 197}; 198 199/* Description of simple IPA pass. Simple IPA passes have just one execute 200 hook. */ 201class simple_ipa_opt_pass : public opt_pass 202{ 203protected: 204 simple_ipa_opt_pass (const pass_data& data, gcc::context *ctxt) 205 : opt_pass (data, ctxt) 206 { 207 } 208}; 209 210/* Pass properties. */ 211#define PROP_gimple_any (1 << 0) /* entire gimple grammar */ 212#define PROP_gimple_lcf (1 << 1) /* lowered control flow */ 213#define PROP_gimple_leh (1 << 2) /* lowered eh */ 214#define PROP_cfg (1 << 3) 215#define PROP_ssa (1 << 5) 216#define PROP_no_crit_edges (1 << 6) 217#define PROP_rtl (1 << 7) 218#define PROP_gimple_lomp (1 << 8) /* lowered OpenMP directives */ 219#define PROP_cfglayout (1 << 9) /* cfglayout mode on RTL */ 220#define PROP_gimple_lcx (1 << 10) /* lowered complex */ 221#define PROP_loops (1 << 11) /* preserve loop structures */ 222#define PROP_gimple_lvec (1 << 12) /* lowered vector */ 223#define PROP_gimple_eomp (1 << 13) /* no OpenMP directives */ 224 225#define PROP_trees \ 226 (PROP_gimple_any | PROP_gimple_lcf | PROP_gimple_leh | PROP_gimple_lomp) 227 228/* To-do flags. */ 229#define TODO_do_not_ggc_collect (1 << 1) 230#define TODO_cleanup_cfg (1 << 5) 231#define TODO_verify_il (1 << 6) 232#define TODO_dump_symtab (1 << 7) 233#define TODO_remove_functions (1 << 8) 234#define TODO_rebuild_frequencies (1 << 9) 235 236/* To-do flags for calls to update_ssa. */ 237 238/* Update the SSA form inserting PHI nodes for newly exposed symbols 239 and virtual names marked for updating. When updating real names, 240 only insert PHI nodes for a real name O_j in blocks reached by all 241 the new and old definitions for O_j. If the iterated dominance 242 frontier for O_j is not pruned, we may end up inserting PHI nodes 243 in blocks that have one or more edges with no incoming definition 244 for O_j. This would lead to uninitialized warnings for O_j's 245 symbol. */ 246#define TODO_update_ssa (1 << 11) 247 248/* Update the SSA form without inserting any new PHI nodes at all. 249 This is used by passes that have either inserted all the PHI nodes 250 themselves or passes that need only to patch use-def and def-def 251 chains for virtuals (e.g., DCE). */ 252#define TODO_update_ssa_no_phi (1 << 12) 253 254/* Insert PHI nodes everywhere they are needed. No pruning of the 255 IDF is done. This is used by passes that need the PHI nodes for 256 O_j even if it means that some arguments will come from the default 257 definition of O_j's symbol. 258 259 WARNING: If you need to use this flag, chances are that your pass 260 may be doing something wrong. Inserting PHI nodes for an old name 261 where not all edges carry a new replacement may lead to silent 262 codegen errors or spurious uninitialized warnings. */ 263#define TODO_update_ssa_full_phi (1 << 13) 264 265/* Passes that update the SSA form on their own may want to delegate 266 the updating of virtual names to the generic updater. Since FUD 267 chains are easier to maintain, this simplifies the work they need 268 to do. NOTE: If this flag is used, any OLD->NEW mappings for real 269 names are explicitly destroyed and only the symbols marked for 270 renaming are processed. */ 271#define TODO_update_ssa_only_virtuals (1 << 14) 272 273/* Some passes leave unused local variables that can be removed from 274 cfun->local_decls. This reduces the size of dump files 275 and the memory footprint for VAR_DECLs. */ 276#define TODO_remove_unused_locals (1 << 15) 277 278/* Call df_finish at the end of the pass. This is done after all of 279 the dumpers have been allowed to run so that they have access to 280 the instance before it is destroyed. */ 281#define TODO_df_finish (1 << 17) 282 283/* Call df_verify at the end of the pass if checking is enabled. */ 284#define TODO_df_verify (1 << 18) 285 286/* Internally used for the first instance of a pass. */ 287#define TODO_mark_first_instance (1 << 19) 288 289/* Rebuild aliasing info. */ 290#define TODO_rebuild_alias (1 << 20) 291 292/* Rebuild the addressable-vars bitmap and do register promotion. */ 293#define TODO_update_address_taken (1 << 21) 294 295/* Rebuild the callgraph edges. */ 296#define TODO_rebuild_cgraph_edges (1 << 22) 297 298/* Internally used in execute_function_todo(). */ 299#define TODO_update_ssa_any \ 300 (TODO_update_ssa \ 301 | TODO_update_ssa_no_phi \ 302 | TODO_update_ssa_full_phi \ 303 | TODO_update_ssa_only_virtuals) 304 305#define TODO_verify_all TODO_verify_il 306 307 308/* Register pass info. */ 309 310enum pass_positioning_ops 311{ 312 PASS_POS_INSERT_AFTER, /* Insert after the reference pass. */ 313 PASS_POS_INSERT_BEFORE, /* Insert before the reference pass. */ 314 PASS_POS_REPLACE /* Replace the reference pass. */ 315}; 316 317struct register_pass_info 318{ 319 opt_pass *pass; /* New pass to register. */ 320 const char *reference_pass_name; /* Name of the reference pass for hooking 321 up the new pass. */ 322 int ref_pass_instance_number; /* Insert the pass at the specified 323 instance number of the reference pass. 324 Do it for every instance if it is 0. */ 325 enum pass_positioning_ops pos_op; /* how to insert the new pass. */ 326}; 327 328/* Registers a new pass. Either fill out the register_pass_info or specify 329 the individual parameters. The pass object is expected to have been 330 allocated using operator new and the pass manager takes the ownership of 331 the pass object. */ 332extern void register_pass (register_pass_info *); 333extern void register_pass (opt_pass* pass, pass_positioning_ops pos, 334 const char* ref_pass_name, int ref_pass_inst_number); 335 336extern simple_ipa_opt_pass *make_pass_ipa_chkp_versioning (gcc::context *ctxt); 337extern simple_ipa_opt_pass *make_pass_ipa_chkp_early_produce_thunks (gcc::context *ctxt); 338extern simple_ipa_opt_pass *make_pass_ipa_chkp_produce_thunks (gcc::context *ctxt); 339extern gimple_opt_pass *make_pass_chkp (gcc::context *ctxt); 340extern gimple_opt_pass *make_pass_chkp_opt (gcc::context *ctxt); 341extern gimple_opt_pass *make_pass_asan (gcc::context *ctxt); 342extern gimple_opt_pass *make_pass_asan_O0 (gcc::context *ctxt); 343extern gimple_opt_pass *make_pass_tsan (gcc::context *ctxt); 344extern gimple_opt_pass *make_pass_tsan_O0 (gcc::context *ctxt); 345extern gimple_opt_pass *make_pass_lower_cf (gcc::context *ctxt); 346extern gimple_opt_pass *make_pass_refactor_eh (gcc::context *ctxt); 347extern gimple_opt_pass *make_pass_lower_eh (gcc::context *ctxt); 348extern gimple_opt_pass *make_pass_lower_eh_dispatch (gcc::context *ctxt); 349extern gimple_opt_pass *make_pass_lower_resx (gcc::context *ctxt); 350extern gimple_opt_pass *make_pass_build_cfg (gcc::context *ctxt); 351extern gimple_opt_pass *make_pass_early_tree_profile (gcc::context *ctxt); 352extern gimple_opt_pass *make_pass_cleanup_eh (gcc::context *ctxt); 353extern gimple_opt_pass *make_pass_sra (gcc::context *ctxt); 354extern gimple_opt_pass *make_pass_sra_early (gcc::context *ctxt); 355extern gimple_opt_pass *make_pass_early_ipa_sra (gcc::context *ctxt); 356extern gimple_opt_pass *make_pass_tail_recursion (gcc::context *ctxt); 357extern gimple_opt_pass *make_pass_tail_calls (gcc::context *ctxt); 358extern gimple_opt_pass *make_pass_fix_loops (gcc::context *ctxt); 359extern gimple_opt_pass *make_pass_tree_loop (gcc::context *ctxt); 360extern gimple_opt_pass *make_pass_tree_no_loop (gcc::context *ctxt); 361extern gimple_opt_pass *make_pass_tree_loop_init (gcc::context *ctxt); 362extern gimple_opt_pass *make_pass_lim (gcc::context *ctxt); 363extern gimple_opt_pass *make_pass_tree_unswitch (gcc::context *ctxt); 364extern gimple_opt_pass *make_pass_predcom (gcc::context *ctxt); 365extern gimple_opt_pass *make_pass_iv_canon (gcc::context *ctxt); 366extern gimple_opt_pass *make_pass_scev_cprop (gcc::context *ctxt); 367extern gimple_opt_pass *make_pass_empty_loop (gcc::context *ctxt); 368extern gimple_opt_pass *make_pass_record_bounds (gcc::context *ctxt); 369extern gimple_opt_pass *make_pass_graphite (gcc::context *ctxt); 370extern gimple_opt_pass *make_pass_graphite_transforms (gcc::context *ctxt); 371extern gimple_opt_pass *make_pass_if_conversion (gcc::context *ctxt); 372extern gimple_opt_pass *make_pass_loop_distribution (gcc::context *ctxt); 373extern gimple_opt_pass *make_pass_vectorize (gcc::context *ctxt); 374extern gimple_opt_pass *make_pass_simduid_cleanup (gcc::context *ctxt); 375extern gimple_opt_pass *make_pass_slp_vectorize (gcc::context *ctxt); 376extern gimple_opt_pass *make_pass_complete_unroll (gcc::context *ctxt); 377extern gimple_opt_pass *make_pass_complete_unrolli (gcc::context *ctxt); 378extern gimple_opt_pass *make_pass_parallelize_loops (gcc::context *ctxt); 379extern gimple_opt_pass *make_pass_loop_prefetch (gcc::context *ctxt); 380extern gimple_opt_pass *make_pass_iv_optimize (gcc::context *ctxt); 381extern gimple_opt_pass *make_pass_tree_loop_done (gcc::context *ctxt); 382extern gimple_opt_pass *make_pass_ch (gcc::context *ctxt); 383extern gimple_opt_pass *make_pass_ccp (gcc::context *ctxt); 384extern gimple_opt_pass *make_pass_phi_only_cprop (gcc::context *ctxt); 385extern gimple_opt_pass *make_pass_build_ssa (gcc::context *ctxt); 386extern gimple_opt_pass *make_pass_build_alias (gcc::context *ctxt); 387extern gimple_opt_pass *make_pass_build_ealias (gcc::context *ctxt); 388extern gimple_opt_pass *make_pass_dominator (gcc::context *ctxt); 389extern gimple_opt_pass *make_pass_dce (gcc::context *ctxt); 390extern gimple_opt_pass *make_pass_cd_dce (gcc::context *ctxt); 391extern gimple_opt_pass *make_pass_call_cdce (gcc::context *ctxt); 392extern gimple_opt_pass *make_pass_merge_phi (gcc::context *ctxt); 393extern gimple_opt_pass *make_pass_split_crit_edges (gcc::context *ctxt); 394extern gimple_opt_pass *make_pass_pre (gcc::context *ctxt); 395extern unsigned int tail_merge_optimize (unsigned int); 396extern gimple_opt_pass *make_pass_profile (gcc::context *ctxt); 397extern gimple_opt_pass *make_pass_strip_predict_hints (gcc::context *ctxt); 398extern gimple_opt_pass *make_pass_lower_complex_O0 (gcc::context *ctxt); 399extern gimple_opt_pass *make_pass_lower_complex (gcc::context *ctxt); 400extern gimple_opt_pass *make_pass_lower_vector (gcc::context *ctxt); 401extern gimple_opt_pass *make_pass_lower_vector_ssa (gcc::context *ctxt); 402extern gimple_opt_pass *make_pass_lower_omp (gcc::context *ctxt); 403extern gimple_opt_pass *make_pass_diagnose_omp_blocks (gcc::context *ctxt); 404extern gimple_opt_pass *make_pass_expand_omp (gcc::context *ctxt); 405extern gimple_opt_pass *make_pass_expand_omp_ssa (gcc::context *ctxt); 406extern gimple_opt_pass *make_pass_object_sizes (gcc::context *ctxt); 407extern gimple_opt_pass *make_pass_strlen (gcc::context *ctxt); 408extern gimple_opt_pass *make_pass_fold_builtins (gcc::context *ctxt); 409extern gimple_opt_pass *make_pass_stdarg (gcc::context *ctxt); 410extern gimple_opt_pass *make_pass_early_warn_uninitialized (gcc::context *ctxt); 411extern gimple_opt_pass *make_pass_late_warn_uninitialized (gcc::context *ctxt); 412extern gimple_opt_pass *make_pass_cse_reciprocals (gcc::context *ctxt); 413extern gimple_opt_pass *make_pass_cse_sincos (gcc::context *ctxt); 414extern gimple_opt_pass *make_pass_optimize_bswap (gcc::context *ctxt); 415extern gimple_opt_pass *make_pass_optimize_widening_mul (gcc::context *ctxt); 416extern gimple_opt_pass *make_pass_warn_function_return (gcc::context *ctxt); 417extern gimple_opt_pass *make_pass_warn_function_noreturn (gcc::context *ctxt); 418extern gimple_opt_pass *make_pass_cselim (gcc::context *ctxt); 419extern gimple_opt_pass *make_pass_phiopt (gcc::context *ctxt); 420extern gimple_opt_pass *make_pass_forwprop (gcc::context *ctxt); 421extern gimple_opt_pass *make_pass_phiprop (gcc::context *ctxt); 422extern gimple_opt_pass *make_pass_tree_ifcombine (gcc::context *ctxt); 423extern gimple_opt_pass *make_pass_dse (gcc::context *ctxt); 424extern gimple_opt_pass *make_pass_nrv (gcc::context *ctxt); 425extern gimple_opt_pass *make_pass_rename_ssa_copies (gcc::context *ctxt); 426extern gimple_opt_pass *make_pass_sink_code (gcc::context *ctxt); 427extern gimple_opt_pass *make_pass_fre (gcc::context *ctxt); 428extern gimple_opt_pass *make_pass_check_data_deps (gcc::context *ctxt); 429extern gimple_opt_pass *make_pass_copy_prop (gcc::context *ctxt); 430extern gimple_opt_pass *make_pass_isolate_erroneous_paths (gcc::context *ctxt); 431extern gimple_opt_pass *make_pass_vrp (gcc::context *ctxt); 432extern gimple_opt_pass *make_pass_uncprop (gcc::context *ctxt); 433extern gimple_opt_pass *make_pass_return_slot (gcc::context *ctxt); 434extern gimple_opt_pass *make_pass_reassoc (gcc::context *ctxt); 435extern gimple_opt_pass *make_pass_rebuild_cgraph_edges (gcc::context *ctxt); 436extern gimple_opt_pass *make_pass_remove_cgraph_callee_edges (gcc::context 437 *ctxt); 438extern gimple_opt_pass *make_pass_build_cgraph_edges (gcc::context *ctxt); 439extern gimple_opt_pass *make_pass_local_pure_const (gcc::context *ctxt); 440extern gimple_opt_pass *make_pass_nothrow (gcc::context *ctxt); 441extern gimple_opt_pass *make_pass_tracer (gcc::context *ctxt); 442extern gimple_opt_pass *make_pass_warn_unused_result (gcc::context *ctxt); 443extern gimple_opt_pass *make_pass_diagnose_tm_blocks (gcc::context *ctxt); 444extern gimple_opt_pass *make_pass_lower_tm (gcc::context *ctxt); 445extern gimple_opt_pass *make_pass_tm_init (gcc::context *ctxt); 446extern gimple_opt_pass *make_pass_tm_mark (gcc::context *ctxt); 447extern gimple_opt_pass *make_pass_tm_memopt (gcc::context *ctxt); 448extern gimple_opt_pass *make_pass_tm_edges (gcc::context *ctxt); 449extern gimple_opt_pass *make_pass_split_functions (gcc::context *ctxt); 450extern gimple_opt_pass *make_pass_feedback_split_functions (gcc::context *ctxt); 451extern gimple_opt_pass *make_pass_strength_reduction (gcc::context *ctxt); 452extern gimple_opt_pass *make_pass_vtable_verify (gcc::context *ctxt); 453extern gimple_opt_pass *make_pass_ubsan (gcc::context *ctxt); 454extern gimple_opt_pass *make_pass_sanopt (gcc::context *ctxt); 455 456/* IPA Passes */ 457extern simple_ipa_opt_pass *make_pass_ipa_lower_emutls (gcc::context *ctxt); 458extern simple_ipa_opt_pass 459 *make_pass_ipa_function_and_variable_visibility (gcc::context *ctxt); 460extern simple_ipa_opt_pass *make_pass_ipa_tree_profile (gcc::context *ctxt); 461extern simple_ipa_opt_pass *make_pass_ipa_auto_profile (gcc::context *ctxt); 462 463extern simple_ipa_opt_pass *make_pass_build_ssa_passes (gcc::context *ctxt); 464extern simple_ipa_opt_pass *make_pass_chkp_instrumentation_passes (gcc::context *ctxt); 465extern simple_ipa_opt_pass *make_pass_local_optimization_passes (gcc::context *ctxt); 466 467extern ipa_opt_pass_d *make_pass_ipa_whole_program_visibility (gcc::context 468 *ctxt); 469extern simple_ipa_opt_pass *make_pass_ipa_increase_alignment (gcc::context 470 *ctxt); 471extern ipa_opt_pass_d *make_pass_ipa_inline (gcc::context *ctxt); 472extern simple_ipa_opt_pass *make_pass_ipa_free_lang_data (gcc::context *ctxt); 473extern simple_ipa_opt_pass *make_pass_ipa_free_inline_summary (gcc::context 474 *ctxt); 475extern ipa_opt_pass_d *make_pass_ipa_cp (gcc::context *ctxt); 476extern ipa_opt_pass_d *make_pass_ipa_icf (gcc::context *ctxt); 477extern ipa_opt_pass_d *make_pass_ipa_devirt (gcc::context *ctxt); 478extern ipa_opt_pass_d *make_pass_ipa_reference (gcc::context *ctxt); 479extern ipa_opt_pass_d *make_pass_ipa_pure_const (gcc::context *ctxt); 480extern simple_ipa_opt_pass *make_pass_ipa_pta (gcc::context *ctxt); 481extern simple_ipa_opt_pass *make_pass_ipa_tm (gcc::context *ctxt); 482extern simple_ipa_opt_pass *make_pass_omp_simd_clone (gcc::context *ctxt); 483extern ipa_opt_pass_d *make_pass_ipa_profile (gcc::context *ctxt); 484extern ipa_opt_pass_d *make_pass_ipa_cdtor_merge (gcc::context *ctxt); 485extern ipa_opt_pass_d *make_pass_ipa_single_use (gcc::context *ctxt); 486extern ipa_opt_pass_d *make_pass_ipa_comdats (gcc::context *ctxt); 487 488extern gimple_opt_pass *make_pass_cleanup_cfg_post_optimizing (gcc::context 489 *ctxt); 490extern gimple_opt_pass *make_pass_init_datastructures (gcc::context *ctxt); 491extern gimple_opt_pass *make_pass_fixup_cfg (gcc::context *ctxt); 492 493extern rtl_opt_pass *make_pass_expand (gcc::context *ctxt); 494extern rtl_opt_pass *make_pass_instantiate_virtual_regs (gcc::context *ctxt); 495extern rtl_opt_pass *make_pass_rtl_fwprop (gcc::context *ctxt); 496extern rtl_opt_pass *make_pass_rtl_fwprop_addr (gcc::context *ctxt); 497extern rtl_opt_pass *make_pass_jump (gcc::context *ctxt); 498extern rtl_opt_pass *make_pass_jump2 (gcc::context *ctxt); 499extern rtl_opt_pass *make_pass_lower_subreg (gcc::context *ctxt); 500extern rtl_opt_pass *make_pass_cse (gcc::context *ctxt); 501extern rtl_opt_pass *make_pass_fast_rtl_dce (gcc::context *ctxt); 502extern rtl_opt_pass *make_pass_ud_rtl_dce (gcc::context *ctxt); 503extern rtl_opt_pass *make_pass_rtl_dce (gcc::context *ctxt); 504extern rtl_opt_pass *make_pass_rtl_dse1 (gcc::context *ctxt); 505extern rtl_opt_pass *make_pass_rtl_dse2 (gcc::context *ctxt); 506extern rtl_opt_pass *make_pass_rtl_dse3 (gcc::context *ctxt); 507extern rtl_opt_pass *make_pass_rtl_cprop (gcc::context *ctxt); 508extern rtl_opt_pass *make_pass_rtl_pre (gcc::context *ctxt); 509extern rtl_opt_pass *make_pass_rtl_hoist (gcc::context *ctxt); 510extern rtl_opt_pass *make_pass_rtl_store_motion (gcc::context *ctxt); 511extern rtl_opt_pass *make_pass_cse_after_global_opts (gcc::context *ctxt); 512extern rtl_opt_pass *make_pass_rtl_ifcvt (gcc::context *ctxt); 513 514extern rtl_opt_pass *make_pass_into_cfg_layout_mode (gcc::context *ctxt); 515extern rtl_opt_pass *make_pass_outof_cfg_layout_mode (gcc::context *ctxt); 516 517extern rtl_opt_pass *make_pass_loop2 (gcc::context *ctxt); 518extern rtl_opt_pass *make_pass_rtl_loop_init (gcc::context *ctxt); 519extern rtl_opt_pass *make_pass_rtl_move_loop_invariants (gcc::context *ctxt); 520extern rtl_opt_pass *make_pass_rtl_unroll_loops (gcc::context *ctxt); 521extern rtl_opt_pass *make_pass_rtl_doloop (gcc::context *ctxt); 522extern rtl_opt_pass *make_pass_rtl_loop_done (gcc::context *ctxt); 523 524extern rtl_opt_pass *make_pass_web (gcc::context *ctxt); 525extern rtl_opt_pass *make_pass_cse2 (gcc::context *ctxt); 526extern rtl_opt_pass *make_pass_df_initialize_opt (gcc::context *ctxt); 527extern rtl_opt_pass *make_pass_df_initialize_no_opt (gcc::context *ctxt); 528extern rtl_opt_pass *make_pass_reginfo_init (gcc::context *ctxt); 529extern rtl_opt_pass *make_pass_inc_dec (gcc::context *ctxt); 530extern rtl_opt_pass *make_pass_stack_ptr_mod (gcc::context *ctxt); 531extern rtl_opt_pass *make_pass_initialize_regs (gcc::context *ctxt); 532extern rtl_opt_pass *make_pass_combine (gcc::context *ctxt); 533extern rtl_opt_pass *make_pass_if_after_combine (gcc::context *ctxt); 534extern rtl_opt_pass *make_pass_ree (gcc::context *ctxt); 535extern rtl_opt_pass *make_pass_partition_blocks (gcc::context *ctxt); 536extern rtl_opt_pass *make_pass_match_asm_constraints (gcc::context *ctxt); 537extern rtl_opt_pass *make_pass_split_all_insns (gcc::context *ctxt); 538extern rtl_opt_pass *make_pass_fast_rtl_byte_dce (gcc::context *ctxt); 539extern rtl_opt_pass *make_pass_lower_subreg2 (gcc::context *ctxt); 540extern rtl_opt_pass *make_pass_mode_switching (gcc::context *ctxt); 541extern rtl_opt_pass *make_pass_sms (gcc::context *ctxt); 542extern rtl_opt_pass *make_pass_sched (gcc::context *ctxt); 543extern rtl_opt_pass *make_pass_live_range_shrinkage (gcc::context *ctxt); 544extern rtl_opt_pass *make_pass_ira (gcc::context *ctxt); 545extern rtl_opt_pass *make_pass_reload (gcc::context *ctxt); 546extern rtl_opt_pass *make_pass_clean_state (gcc::context *ctxt); 547extern rtl_opt_pass *make_pass_branch_prob (gcc::context *ctxt); 548extern rtl_opt_pass *make_pass_value_profile_transformations (gcc::context 549 *ctxt); 550extern rtl_opt_pass *make_pass_postreload_cse (gcc::context *ctxt); 551extern rtl_opt_pass *make_pass_gcse2 (gcc::context *ctxt); 552extern rtl_opt_pass *make_pass_split_after_reload (gcc::context *ctxt); 553extern rtl_opt_pass *make_pass_branch_target_load_optimize1 (gcc::context 554 *ctxt); 555extern rtl_opt_pass *make_pass_thread_prologue_and_epilogue (gcc::context 556 *ctxt); 557extern rtl_opt_pass *make_pass_stack_adjustments (gcc::context *ctxt); 558extern rtl_opt_pass *make_pass_sched_fusion (gcc::context *ctxt); 559extern rtl_opt_pass *make_pass_peephole2 (gcc::context *ctxt); 560extern rtl_opt_pass *make_pass_if_after_reload (gcc::context *ctxt); 561extern rtl_opt_pass *make_pass_regrename (gcc::context *ctxt); 562extern rtl_opt_pass *make_pass_cprop_hardreg (gcc::context *ctxt); 563extern rtl_opt_pass *make_pass_reorder_blocks (gcc::context *ctxt); 564extern rtl_opt_pass *make_pass_branch_target_load_optimize2 (gcc::context 565 *ctxt); 566extern rtl_opt_pass *make_pass_leaf_regs (gcc::context *ctxt); 567extern rtl_opt_pass *make_pass_split_before_sched2 (gcc::context *ctxt); 568extern rtl_opt_pass *make_pass_compare_elim_after_reload (gcc::context *ctxt); 569extern rtl_opt_pass *make_pass_sched2 (gcc::context *ctxt); 570extern rtl_opt_pass *make_pass_stack_regs (gcc::context *ctxt); 571extern rtl_opt_pass *make_pass_stack_regs_run (gcc::context *ctxt); 572extern rtl_opt_pass *make_pass_df_finish (gcc::context *ctxt); 573extern rtl_opt_pass *make_pass_compute_alignments (gcc::context *ctxt); 574extern rtl_opt_pass *make_pass_duplicate_computed_gotos (gcc::context *ctxt); 575extern rtl_opt_pass *make_pass_variable_tracking (gcc::context *ctxt); 576extern rtl_opt_pass *make_pass_free_cfg (gcc::context *ctxt); 577extern rtl_opt_pass *make_pass_machine_reorg (gcc::context *ctxt); 578extern rtl_opt_pass *make_pass_cleanup_barriers (gcc::context *ctxt); 579extern rtl_opt_pass *make_pass_delay_slots (gcc::context *ctxt); 580extern rtl_opt_pass *make_pass_split_for_shorten_branches (gcc::context *ctxt); 581extern rtl_opt_pass *make_pass_split_before_regstack (gcc::context *ctxt); 582extern rtl_opt_pass *make_pass_convert_to_eh_region_ranges (gcc::context *ctxt); 583extern rtl_opt_pass *make_pass_shorten_branches (gcc::context *ctxt); 584extern rtl_opt_pass *make_pass_set_nothrow_function_flags (gcc::context *ctxt); 585extern rtl_opt_pass *make_pass_dwarf2_frame (gcc::context *ctxt); 586extern rtl_opt_pass *make_pass_final (gcc::context *ctxt); 587extern rtl_opt_pass *make_pass_rtl_seqabstr (gcc::context *ctxt); 588extern gimple_opt_pass *make_pass_release_ssa_names (gcc::context *ctxt); 589extern gimple_opt_pass *make_pass_early_inline (gcc::context *ctxt); 590extern gimple_opt_pass *make_pass_inline_parameters (gcc::context *ctxt); 591extern gimple_opt_pass *make_pass_update_address_taken (gcc::context *ctxt); 592extern gimple_opt_pass *make_pass_convert_switch (gcc::context *ctxt); 593 594/* Current optimization pass. */ 595extern opt_pass *current_pass; 596 597extern bool execute_one_pass (opt_pass *); 598extern void execute_pass_list (function *, opt_pass *); 599extern void execute_ipa_pass_list (opt_pass *); 600extern void execute_ipa_summary_passes (ipa_opt_pass_d *); 601extern void execute_all_ipa_transforms (void); 602extern void execute_all_ipa_stmt_fixups (struct cgraph_node *, gimple *); 603extern bool pass_init_dump_file (opt_pass *); 604extern void pass_fini_dump_file (opt_pass *); 605 606extern const char *get_current_pass_name (void); 607extern void print_current_pass (FILE *); 608extern void debug_pass (void); 609extern void ipa_write_summaries (void); 610extern void ipa_write_optimization_summaries (struct lto_symtab_encoder_d *); 611extern void ipa_read_summaries (void); 612extern void ipa_read_optimization_summaries (void); 613extern void register_one_dump_file (opt_pass *); 614extern bool function_called_by_processed_nodes_p (void); 615 616/* Set to true if the pass is called the first time during compilation of the 617 current function. Note that using this information in the optimization 618 passes is considered not to be clean, and it should be avoided if possible. 619 This flag is currently used to prevent loops from being peeled repeatedly 620 in jump threading; it will be removed once we preserve loop structures 621 throughout the compilation -- we will be able to mark the affected loops 622 directly in jump threading, and avoid peeling them next time. */ 623extern bool first_pass_instance; 624 625/* Declare for plugins. */ 626extern void do_per_function_toporder (void (*) (function *, void *), void *); 627 628extern void disable_pass (const char *); 629extern void enable_pass (const char *); 630extern void dump_passes (void); 631 632#endif /* GCC_TREE_PASS_H */ 633